Transporting structure for grain binders



Dec. 15, 1931. Q MEIER TRANSPORTING STRUCTURE FOR GRAIN BINDERS Sheets-Sheet Dec. 15, 1931. Q MElER TRANSPORTING STRUCTURE FOR GRAIN BINDERS Filed June 19,

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M 4 a a A, o A. 5 9 e r a 3/ 5/ Patented Dec. 15, 1931 CHARLESMEIER, OF HAYERHILL, IOWA JTRANSPORTING' STRUCTURE FOR (.iHEtAIN BINDERS Application-filed June 19, 19.30. Ser1a1-'No..462,306.

:T his invention relates to improvements in grain binders and pertains particularly to an improved truck therefor.

'The primary object of the present invention '5 istoprovide a binder truck which maybe caused :to rotate through approximately a quarter 1 of. a circle to shift the cutting and binding-mechanism carriedzthereby to a po' sitionwhere the length of themachine will be disp'osed'substantiallyparallel to the line of travel thereof instead of "transversely thereto asit is when the machineis in operation.

Another object of the invention is to provide a novel means for liftingrone end of the bindertruck as the "same is rotated so that. one of the wheels thereof will be raised free .:from contact with :the ground.

Still :another object of& the invention is to provide auneans for :lifting themain wheel ofthe binder from the, ground after the truck and the mechanism carried thereon havebeen movedto the position where the machine may. pass through gates. and along; roadways, and whereby-upon swinging the truck back to the. position which it must occupy withrespect tothe draft mechanism, when in operation, the main wheel will be automaticallyloweredsto the ground.

Other objectsand advantages'of the present .invention will :become apparent as the description:proceedseand the invention will be best understood from a consideration of the followingdetailed-description taken in 5 connection :with the accompanying drawings forming 5 part of this specification; with the understanding,.however,' that the invention is not confinedftoany strict conformity with theshowing of the drawings but may be o changed 'oismodified so long as such changes ()lfmOCllfiCfitiQIlS mark no material departure fronrthe; salient features .of-the invention as expressed in the appended claims.

In: the drawings Figured is a view. in top plan of the-trans porting-structure embodying the present in vention.

Figure Qis a planview of-the structure showingthe frame in shifted position with respectitofthe draft mechanism. t

Figure .3 is a viewin transverse section taken upon the line 33 of Figure 4.

Figure 4 is a-view in top plan of themechanism coupling the .draft tongue and pull bars together and to theframe.

.Figure 5 is a view .in front elevation of themechanism shown in Figure 4 with the draft .tongue and brace bar therefor removed. 7

Figure 6 is a sectional view taken on the 90 linef6,6 of Figure 1.

Figure 7 is. a sectional viewtaken 0n the line 7-7 of Figure 2.

Figure 8 is a transverse section of the frame looking towardthe cam bar.-

Figure 9 isa .viewfin side elevation of a portion. ofthe rear side of the frame structure showing a chain supporting pulley mounted thereon.

iInthe illustration of the present invention there hasbeen shown only thetruck structure upon which the grain bindermay be mounted. "In the drawings, wherein like numerals .of reference indicate corresponding parts throughoutitheseveralviews, the numeral 1 indicates generally the truck frame or binder platform. As shown this-frame is. ofelongated rectangular design and comprises theelongated front and rear beams y 2 and 3 and the inner and outer end cross beams 4e and 5-respectively. ,Adj acent the innerend. cross beam Land in spaced parallel relation thereto there is positioned the main Wheel frame for the binder which is indicated generally by the .numeral 6. This frame, asshown, extends transverselyof the inner end of the main frame2 and may be considered .a part thereof or supplement 7 thereto. The main wheel frame 6 comprises the spaced'p'arallel beams 7 and 8 which are disposed substantially parallel to the inner beam 4' of theiframe 1 and are connected at their ends by the front and rear portions'9 and 10 which constitute extensions ofthe m5 beam 8. 1 Intermediate their ends the beams 7 and 8 are provided with axle bearings 11 between which is mounted an axle 12,which carries the nsuel broad main wheel'13 of the binder, l M0 Extending transversely of the frame structure 1 between the beams 4 and 7 and mounted in suitable bearings 14 is a crank axle 15 each end of which carries outside of the frame, a wheel 16. Adjacent the forward beam 2 of the binder truck frame the axle 15 has secured thereto a collar 17 to which is attached an arm 18. This arm at its lower end has pivotally attached thereto a link 19 which is held for movement in a line substantially parallel with the adjacent beam 2 by a guide 20. The other end of this bar or link 19 carries a head 21. Each of the beams 2 and 3 has pivotally attached thereto adjacent the axle 15, a latch bar 22, the free end of which is provided with a notch 23 which engages over the lower laterally directed portion of the axle on which the adjacent wheel 16 is mounted, when the axle 15 is oscillated so as to swing the wheels 16 to the position where the adjacent end of the frame 1 will be raised. These latch bars 22 will then maintain the axle against further oscillatory movement and will keep the adjacent end of the frame in raised position."

The frame 1 has connected transversely thereof between the bars 2 and 3 an intermediate brace bar 24 and to this brace bar 24 at the rear end of the frame there is attached one end of a channel iron beam 25 which is disposed at an acute angle with respect to the longitudinal center of the truck frame and has its other end attached to the beam 7 as shown. A brace bar 26 connects the beam 25 at a point intermediate its ends with the adjacent rear beam 3 of the frame so that the channel beam will be held rigidly in position.

Mounted upon the channel beam 25 is a bearing 27 for a vertical pivot 28. As shown this pivot is positioned relatively close to the rearbeam 3 of the frame and is also located between the transverse center and the inner end thereof. In referring to the pivot 28 being located between the transverse center of the frame and the inner end, the term frame is here used to include the main wheel supporting frame 6, that is when the frame is referred to this is intended to include the portion made up of the beams 2, 3 and 5 and the portion made up of the beams 8, 9 and 10.

Attached to the pivot 28 is apair of pull bars, one of which is indicated by the numeral 29 while the other is indicated by the numeral 30. As shown the bars 29 and 30 are secured, together atone end and it is at these secured ends that they are attached to the pivot 28. The other ends of the bars are in spaced relation but at the tips are substantially parallel. Since, as shown, the bar 30 is of greater length than the bar 29 it will bereadily seen that the bar 30 at its outer end must be curved inwardly toward the bar 29 in order that the ends may lie in the same vertical plane and may be substantially parallel. Each of the bars 29 and 30 terminates at its outer or free end in an upwardly and reversely curved hook 31 and at these outer ends the bars are connected by a cross brace bar 32.

The front beam 2 of the frame structure has secured to the face thereof adjacent the cross beam 4 two pair of ears, one of which pair is indicated by the numeral 33 while the other is indicated by the numeral 34.

These pairs of ears 33 and 34 are apertured as shown and are spaced apart the same distance as the outer ends of the bars 29 and 30 so that when these bars are swung to the position where they extend from the rear to the front of the frame the apertured up-turned ends thereof may each be located between a pair of the ears.

Extending from the front beam 2 to the rear beam 3 is a cam bar 35 which describes a double reverse curve. One end of this bar is secured to the beam 2 at a point between the pairs of ears 33 and 34 while the other end is secured to the rear beam 3 at a point beyond the'transverse center of the frame from the pivot 28. In addition to being curved in the manner shown and described this cam bar 35 curves downwardly from the front to the rear beam. It will thus be seen that as the frame is swung around over the pull bars 29 and 30 the outer end thereof will be lifted.

The outer beam 5 carries a bearing 36 in which is mounted a stub shaft 37 which carries a wheel 38. This wheel 38 cooperates with the wheel 13 to support the binder truck and the binder structure mounted thereon when the binder is in operation.

For the transportation of the truck there is attached to the pull bar 30 a draft tongue v 39, the connection being made through the medium of a pair of downwardly directed curved elongated plates 40. These plates 40 are spaced apart as shown and receive the curved portion 31 of the bar 30 therebetween and are secured thereto by a pin 41. As shown the terminal lower ends of these attaching plates 40 project below the pull bar 30.

Attached to the under face of the pull bar 30 is a bracket 42 which extends longitudinally thereof to a point beneath the ends of the plates 40 and is held in spaced relation to the pull bar 30 by the up-turned portion of one end as indicated at 43 and by a support ing bolt 44 extended through the other end and through the overlying pull bar. This bracket 42 supports for oscillating movement thereacross an elongated bar 45 one end of which is pivotally attached as at 46 to the pull bar 29. The other or free end of the bar 45 has a pair of up-turned cars 47 the purpose for which will be hereinafter described.

The pair of ears 34 between which the upturned end of the pull bar 29 positions is extended downwardly as shown and indicated by the numeral 48. The *lowerends of these ears are also provided -=with transverse apertures.

Extendingrthrough therapertures 49 of. each pair of-ears33-and 314 is onelleg 50Lof:a substantially U shaped ilatch member, .the other legi5-1 of each 'latchimemberbeing of greater lengthrthanithe lega'50 and=extend1ngthrough the-hookfo'f'the adjacent pull barin the manner shown. These iu shaped latch members are directed in the same directionsand thezleg 51 of one is connectedztothe other byia link 52. The long leg 51.1of'the ,latchmember connecting the bar 29 with the .earsf34 extends through 1 the apertures-formed through the extended portionsAS of :these cars and Carries :thereon between the ear extensions aspring .53. .This spring as willybe readily seen will becompressedwhen the latchmemhere are shifted to [disconnect "the :legs .50 with their respective ear members 33 and 34 so that ;afterthe rrelease of-the 1131111 bars 29 and the latches will be returned :to :the position which {they occupywhile connectingzthespullbarsito the frame.

Mounted :upon :the frame structure at ;a pointconvenientto thelatches is a bell crank 54 which is :pivotedrto swing in'asubstantially horizontal'plane -about the vertical pivot 55. One arm of this bellcrankis connected byzthe link 56-with theadjacent latch memher while the other arm is connected by a suitable pullbar57,with acontrol or-operating lever (not :shown) mounted upon the binder at-a point convenient to theoperator ridingthereon.

Extending from the arm of the bell'crank 54. to 'whichithe pull rod 57 is attached is an arm 58, the=endiof which lies upon thesurface of.t h e bar and-oscillates in a hori- Zontalplanebetweeniheears4E7 sotthat-when the bell; crank 54 .is actuated ,for the purpose of pulling the latch-members ;to.disconnect the bars QQfiIIClJ'ZiO-fKOm thQ frame thiszarm will shift-the free'ond of the-bar 45 forwardly on thebracket 42'toposition between the bracket andtheidown-turned ends-of the piates l0 which eonnectrthe draft=tongue 3.9 with the'bar 30. This-bar .45, when shifted to the position described,;fills the-area between-theplates 14:0 and the; bracket 42 so-that vertical .movement of &the [draft ctongue 'cannot takeplace. e

The pull bar -29 has pivotally attached thereto through the .medium of the bolt 59 the bifurcated endGO-of abraceban 61. The other end of this bar-61 is bolted-asshownito the drafttongue 39.

In operation whenithe-binderis:workingin afieldithe draft tongue 39 will be connected tothe ears 33;tlirough:the medium-of the bar 30 and the brace bar-fil attached-to the draft tongue will be attached to the cars 34 througlnthe medium of the bar 29.

.The draft tongue Will:thusextend :atright may be movedabout inthe field it will move upon the wheels 13 and 38. The wheels 16 will be maintained in raised position throughcontact of the pull bar 30 with the i I head of the bar 19. This forces the bar -19 over and oscillates the link 18 so thatthe shaft 1-5will be turned to raise the wheel 16 from the ground.

When the binder is to be transported through a gate or along a road which is too narrow to allow the binder to the run thereover'in the position just described the operator of the machine will draw the bar 57 to shift the latch pins 50 and disengage the draft tongue 39 and the bar-61 from the front vbar of the frame. By then driving the draftanimals or the tractor, whichever may be hauling the machine, forwardly the outer. end of the frame or the end to which the wheel 38 is attached will swing forwardly as a result of the offset relation of the line of pull to the point of connection betweenthe draft tongue and the frame, which 1 pull'bars 29 and 30 are connected as shown with the adjacent down-turned end of the crank axle 15 through the. medium of a chain 63. This chain passes over a pulley 64 which is swivellymounted upon the underside of the beam 3 of themain frame of the structure as shown in Figure 1. Asithe relative movement betweenthe pullbars 29 and 30 and the framel continues a pull will'be exerteduponthe chain 63 whichwill draw down theangularly disposed'ends of the axle 15 and thus oscillate the axle to pullthe wheels 16 to position under the frame thereby lifting the wheel 13 clear of the ground. The latch arm 22 may then be swung into :positionto engage the axle 15 in the manner shown inFigure 7 so that it will be firmly held in this position -.while the structure is being transported.

Continued pulling upon the draft tongue will cause the frame to swing 'around'to a position whereit will be substantially parallel with the draft tongueand as this action takes place the pull-bars 29 and 30 will move under :the arcuate camtrack 35 and lift the outer end of the framefree from theground through a gateway or along a roadway, upon the wheels 16.

When the reverseiof the foregoing operation is desired the operator of the binder will disconnect the latch bars 22 from-:the

axle 15 bypullingthe samenp through the medium of a suitable operating lever connected with the links 62, each of which is attached to a latch bar in the manner shown. This will. allow the axle 15 to oscillate as the frame structure is drawn forwardly so that the main wheel 13 will be lowered into con tact with the groiuid. This drag imposed upon the draft mechanism and the fact that the point of connection between the same and the frame is out of alignment therewith, will cause the frame. to swing back to the position previously occupied, that is to the position where its length will be at right angles to the draft tongue. When the foregoing positions are resumed by the parts the pull bar 30 will be brought into contact with the head of the bar 19 which will cause the wheels 16 to be lifted from the ground through the oscillation of the axle and the. up-turned apertured ends 31 of the pull bars 29 and 30 may then be replaced between the ears to which they are respectively connected and secured thereto by the bolts or pins 50.

From the foregoing description it will be readily seen that by the employment of a transport frame of the character herein described for a grain binder or other machine of extreme width, the machine may be readily shifted for passage through gateways or over roads without the necessity of performing the labor of disconnecting the draft apparatus at one point and connecting it at another point as is now the practice.

Having thus described my invention, what I claim is:

1. An agricultural implement transporting structure, comprising an elongated frame, a wheel mounted at each end of said frame. upon a longitudinally extending axis, a pair of wheels mounted at one end of said frame upon a transversely extending axle, said last mentioned wheels being adapted for vertical swinging movement, a draft element for said structure and having pivotal connection with said frame, and means whereby upon the lowering of said last men tioned pair of wheels into contact with the ground and the application of a pull to said draft element, said frame may be caused to swing about said pivotal connection relative to the draft element.

2. A transportingstructure for agricultural implements, comprising an elongated rectangular frame, a pair of supporting wheels one at each end of said frame and mounted upon a longitudinal axis, a pair of wheel mounted at one end of the frame one adjacent each longitudinal side thereof, said last mentioned pair of wheels being mounted upon a transverse axle and adapted to be shifted vertically to lift the adjacent end of'the frame and the adjacent one of the first mentioned wheels clear of the ground, a draft element adapted to be connected to one longitudinal side of the frame adjacent said last mentioned pair of wheels, and a pair of elongated pull members connected at one end to said draft element and having their other ends offset with respect to said draft element and pivotally connected to said frame at a point adjacent the opposite longitudinal side thereof, whereby upon the application of a pull to said draft element after the raising of one end of the frame by the last mentioned pair of wheels, the frame will be caused to swing to a position with its longitudinal axis substantially parallel with the draft element.

3. A transporting structure for agricultural implements, comprising an elongated rectangular frame, a pair of supporting wheels one at each end of said frame and mounted upon a longitudinal axis, a pair of wheels mounted at one end of the frame one adjacent each longitudinal side thereof, said last mentioned pair of wheels being mounted upon a transverse axle and adapted to be shi ted vertically to lift the adjacent end of the frame and the adjacent one of the first mentioned wheels clear of the ground, a draft element adapted to be connected to one longitudinal side of the frame adjacent said last mentioned pair of wheels, a pair of pull members connected at one end to said draft element and having their other ends ofiset with respect to said draft element and pivotally connected to said frame at a point adjacent the opposite longitudinal side thereof, whereby upon the application of a pull to said draft element after the raising of one end of the frame by the last mentioned pair of wheels, the frame will be caused to swingto a position with its longitudinal axis substantially parallel with the draftelement, and means whereby upon the swinging of said frame the other end thereof will be lifted from the ground to assume a position over the draft element.

4,. In a machine transporting structure of the character described, an elongated frame, supporting wheels for and at the ends of the same, a pair of wheels mounted at one end upon a transverse axle and vertically shiftable to lift the adjacent end of the frame, a draft tongue, and means pivotally connecting the tongue with the frame whereby the frame may be shifted from a position at right angles to the tongue to a position substantially parallel therewith.

5. A transporting structure for agricultural implements, comprising an elongated frame, a supporting wheel at each end of said frame mounted upon a longitudinally extending axis, a pair of supporting wheels at one end of the frame mounted upon a transverse axle, said axle being crank shaped and oscillatable to contact the wheels with the ground for the lifting of the adjacent end of the frame, a draft pole, a pair of pull bars connected. to. one end of '1 said; pole and having their other ends'pivotally .connected to the rframeaat a; point rearwardly of the'longitudinal center thereof, said pull bars at their pivoted vends being laterally offset with respect to said draft pole, and meansfor detachably coupling saidpull bars to the forward longitudinal side ofthe frame.

6. A transporting structure foragricultural implements, comprising an elongated frame, a supportingawheelvat each end of said frame mounted upon a longitudinally extending axis; a pair of supporting Wheels atone end of'the frame mounted upon a transverse axle, said axlezbeing crank shaped and oscillatable to contact the-wheels with the ground for the lifting of the adjacent end ofithe frame,ia draft pole, a pair ofpull-bars connectedto one end ofsaidipole and havingtheir other ends pivotally connected to-the frame at a point rearwardly of the longitudinal center thereof, said pull-.bars-at their pivoted ends being laterally offset with respect to said draft pole, means for detachably coupling said pull bars to the forward longitudinal side ofthe frame, and cam means carried by the frame andjdesigned to ride over said pull bars upon the swinging of the frame about the pivotal connection between the same and the pullwbars, to raise one end of-the frame to a position in a planeabove the draft pole.

7; A transport structure'for agricultural implements, comprising an'elongated frame, a wheel at each end of the frame mounted upon a longitudinally extending axis, a crank axle mounted transversely of'the; frame adjacentone end and carrying wheel upon each end thereof, said axle when oscillated raising the adjacent end of the frame on the Ti' llBGlSCilIllQCl thereby, andraftpole, a 'pair of pull:bars connected at one end and having their other ends spacediapart, the said other ends of the pull bars being pivotally connected with said draft pole, said pullbars being curved to offset their connected ends with respect to said draft pole, means for detachably connectingthe spaced :ends of said pull bars with one longitudinal side of said frame and adjacentrsaid transverse axle, a pivotal connection between the connected ends of the pull bars and the frame adjacent the other longitudinal side thereof and between the transverse center and the point of connection for said draft pole, and means for releasing the connection between the pull bars and the forward longitudinal side of the frame.

8. A transport structure for agricultural implements, comprising an elongated frame, a wheel at each end of the frame mounted upon longitudinally extending axis, a crank axle mounted transversely of the frame adjacent oncend and carrying a wheel upon each end thereof, said axle when oscillated raising the adjacent end of the frame on the wheels carried thereby, a draft pole, a

pain-of gull bars connected atone end and having-t eirotherends spaced apart, the said other endsof the pull-bars pivotally connected with said draftpole, said pull bars being curved tooflsettheirconnected ends with respect a to said draft pole,means1 for detaehiably connecting the spaced ends of said pull bars with one. longitudinal side; of saidoframe and adjacent said transverse axle, a pivotahconnection between the connected ends ofthe pull bars and theframeadjacent the other longitudinal side thereofv and be, tween the transverse center and the point .of connection for said draft pole, ,means for-ire? leasing the connection between the pull bars and the forward longitudinal side of the frame, and a cam bar extending transversely of the frame and inclining; downwardly from the fronteto the rear thereofand designed. to ride; oversaid pull bars upon the swinging of-ithe frame about the pivotal connection of the pull bars therewith.

9. A transport 7 structure for agricultural implements, comprising a an elongated frame, a. wheel ,at each end lof the frame mounted upon. av longitudinally extending axis, a crank axle -mounted transversely of the frame adjacent one end and carryinga wheel upon each end thereof, said axle when l-osciL latedra-ising the adjacent end of the frame ontheijwh'eels carried thereby, ladraft pole,

alpairi of pull "bars connected at oneendi and having their other" ends spaced apart, the said-other ends of the pull bars being ,pi-vot-v ally connected with said draft pole, said pull bars being. curved to offset theirconnected ends withirespect to said draft pole, means 'fordetachably connecting thespaced. ends of said-pull bars with one longitudinal vside of said frame and adjacentsaidtransverse axle, a'pivotalconnection between the connected ends of thepull bars and the frame adjacent the other longitudinal side thereof and between the:transverse center and the point of connection for said draft pole, means for releasing the connection between the pull bars and the forward longitudinal siderof the frame, and means carried by said crank axle for engagement by one .of said pull bars whereby thecrank axle will oscillated to lower .theadjacent end of the frame when thedraft-poleis positioned to extendtat right angles from the forwardlongitudinalside thereof, 1 V a 10; AItransportingstru cture for. agricultural implements, comprising an elongated rectangularframe, a supporting, wheel at each end of said frame mounted upon a lon gitudinally extending. axis, vertically shiftable wheels disposed one adjacent each longitudinalside of the frame and adj acentlone end thereof, said latterwheels being mounted to rotate about axes extending transversely of the frame, avpair of pull bars connected at one end and having their, other; ends spaced apart, said pull bars being curved to dispose their connected ends at a point a substantial distance to one side of the forward ends thereof, and further having their forward ends turned back in vertical planes, a draft pole, a pivotal connection between the forward ends of said pull bars'and said draft pole, means for connecting the turned back ends of said pull bars with the front longitudinal side of said frame, a pivotal connection between the connected ends of the pull bars and the frame adjacent the rear longitudinal side thereof and between the transverse center thereof and the point of connection of the turned back ends therewith, longitudinally extending latch pins connecting the turned back ends of said pull bars with the frame, and means for simultaneously disengaging said latch pins for the release of the pull bars, said pull bars having their spaced ends disposed in a plane below the frame. 5

11. A transporting structure for agricul tural implements, comprising an elongated rectangular frame, a supporting wheel at each end of said frame mounted upon a longitudinally extending axis, vertically shiftable wheels disposed one adjacent each longitudinal side of theframe and adjacent one end thereof, said latter wheels being mounted to rotate about axes extending transversely of the frame, a pair of pull bars connected at one end and having their other ends spaced apart, said pull bars being curved to dispose their connected ends at'a point a substantial distanceto one side of the forward ends thereof, and further having their forward ends turned back in vertical planes, a draft pole, a pivotalconnection between'the forward ends of said pull bars and said draft pole, means for connecting the turned back ends of said pull barswith the front longitudinal side of said frame, a pivotal connection between the connected ends of the pull bars and the frame adjacent the rear longitudinal side thereof and between the transverse center thereof and the point of connection of the turned back ends therewith, longitudinally extending latch pins connecting the turned back ends of said pull bars with the frame, means for simultaneously disengaging said latch pins for the release of the pull bars, said pull bars having their spaced ends disposed in a plane below the frame, and meanscarried by the frame whereby upon oscillation of the same about the pivotal connection of the pull bars therewith the end of the frame remote from said vertically shiftable wheels will be raised to a plane above the draft pole.

12. A transporting structure for an agricultural implement, comprising an elongated frame, a supporting wheel at each end of said frame mounted to rotate about an axis extending longitudinally of the frame, a pair of supporting wheels adjacent one end of the frame and mounted to rotate about axes extending transversely of the frame, a draft tongue, means for horizontally connecting the draft tongue to the under face of the frame at a point adjacent one longitudinal side thereof and atone side of the transverse center, said tongue when in non-operating position extending from the longitudinal side of the frame opposite the side adjacent said means and a cam rail disposed at an inclination from the horizontal, transversely of the frame and arranged to allow said tongue to ride therebeneath when moved to extend longitudinally of the frame, the frame being raised and entirely supported by the last mentioned wheels when the draft tongue is in the last mentioned position.

13. A transporting structure for an agricultural implement, comprising an elongated frame, a supporting wheel at each end of said frame mounted to rotate about an axis extending longitudinally of the frame, a pair of supporting wheels adjacent one end of the frame and mounted to rotate about axes extending transversely of the frame, a draft tongue, means for horizontally connecting the draft tongue to the under face of the frame at a point adjacent one longitudinal side thereof and at one side of the transverse center, said tongue when in non-operating position extending from the longitudinal side of the frame opposite the side adjacent said means, a cam rail disposed at an inclination from the horizontal, transversely of the frame and arranged to have said tongue ride therebeneath when moved to extend longitudinally of the frame, the frame being raised and entirely supported by the last mentioned wheels when the draft tongue is in the last mentioned position, said last mentioned wheels being oscillatable to lift the frame, and connecting means for the tongue and the last mentioned wheels whereby the same will be oscillated when the tongue is swung to the last mentioned position.

In testimony whereof I hereunto affix my signature.

CHARLES MEIER. 

